// tuple's get
#include <bits/stdc++.h>
using namespace std;
int main ()
{
  tuple<int,char> mytuple (10,'a');
  get<0>(mytuple) = 20;
  cout << "mytuple contains: ";
  cout << get<0>(mytuple) << " and " << get<1>(mytuple);
  cout << endl;
  return 0;
}